Modafinil

Modafinil (also known as provigil) has been around for over 17 years and has been marketed in over 20 countries to treat disorders such as chronic fatigue.
Modafinil decreases fatigue, increases vigilance, and improves memory and reaction time while enhancing motivation and mood. In fact, it's so effective that governments around the world are using it for their military, medical and space exploration programs.
Buying modafinil online is simple, 90% of modafinil consumers are healthy individuals, and it's one of the safest smartdrugs - with very few side effects, no recorded deaths, and a low potential for abuse or addiction.